86 lines
1.4 KiB
Plaintext
86 lines
1.4 KiB
Plaintext
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Device Tree for ULCB + Audio Graph Card
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*
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* Copyright (C) 2022 Renesas Electronics Corp.
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*/
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/*
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* (A) CPU0 <-----> ak4613
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* (B) CPU1 -----> HDMI
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*
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* (A) aplay -D plughw:0,0 xxx.wav
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* (B) aplay -D plughw:0,1 xxx.wav
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*
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* (A) arecord -D plughw:0,0 xxx.wav
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*/
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/ {
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sound_card: sound {
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compatible = "audio-graph-card";
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label = "rcar-sound";
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dais = <&rsnd_port0 /* (A) CPU0 <-> ak4613 */
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&rsnd_port1 /* (B) CPU1 -> HDMI */
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>;
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};
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};
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&ak4613 {
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#sound-dai-cells = <0>;
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port {
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/*
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* (A) CPU0 <-> ak4613
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*/
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ak4613_endpoint: endpoint {
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remote-endpoint = <&rsnd_for_ak4613>;
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};
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};
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};
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&hdmi0 {
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ports {
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port@2 {
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/*
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* (B) CPU1 -> HDMI
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*/
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dw_hdmi0_snd_in: endpoint {
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remote-endpoint = <&rsnd_for_hdmi>;
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};
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};
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};
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};
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&rcar_sound {
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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rsnd_port0: port@0 {
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/*
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* (A) CPU0 <-> ak4613
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*/
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reg = <0>;
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rsnd_for_ak4613: endpoint {
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remote-endpoint = <&ak4613_endpoint>;
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bitclock-master;
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frame-master;
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playback = <&ssi0>, <&src0>, <&dvc0>;
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capture = <&ssi1>, <&src1>, <&dvc1>;
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};
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};
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rsnd_port1: port@1 {
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/*
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* (B) CPU1 -> HDMI
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*/
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reg = <1>;
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rsnd_for_hdmi: endpoint {
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remote-endpoint = <&dw_hdmi0_snd_in>;
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bitclock-master;
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frame-master;
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playback = <&ssi2>;
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};
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};
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};
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};
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